import java.util.Scanner;

public class demo1 {
    public static void main(String[] args) {
        double a,b,c;
        Scanner sc=new Scanner(System.in);
        a=sc.nextDouble();
        String f=sc.next();
        char x=f.charAt(0);
        b=sc.nextDouble();
        
        switch (x){
            case '+':
                System.out.println(a+"+"+b+"="+(a+b));
                break;
            case '-':
                System.out.println(a+"-"+b+"="+(a-b));
                break;
            case '*':
                System.out.println(a+"*"+b+"="+(a*b));
                break;
            case '/':
                if(b==0) System.out.println("除数不能为0");
                else System.out.println(a+"/"+b+"="+(a/b));
                break;
            default:
                System.out.println("算术符号输入有误");
        }
    }
}
